Heater cover



FIG. 1 is a top perspective view of the heater cover, showing my new design;

FIG. 2 is a right side elevation view of the heater cover shown in FIG. 1, the left side elevation view being a mirror image thereof;

FIG. 3 is a top plan view of the heater cover shown in FIG. 1;

FIG. 4 is a bottom plan view of the heater cover shown in FIG. 1;

FIG. 5 is a top perspective view of the heater cover of FIG. 1 with an environment structure shown in broken lines;

FIG. 6 is a top plan view of the heater cover shown in FIG. 5; and,

FIG. 7 is a bottom plan view of the heater cover shown in FIG. 5.

All features illustrated in broken line are expressly disclaimed and form no part of the claimed design. 

The ornamental design for a heater cover, as shown and described. 